CN104864017B - A kind of improved automotive seat air spring - Google Patents
A kind of improved automotive seat air spring Download PDFInfo
- Publication number
- CN104864017B CN104864017B CN201510283611.6A CN201510283611A CN104864017B CN 104864017 B CN104864017 B CN 104864017B CN 201510283611 A CN201510283611 A CN 201510283611A CN 104864017 B CN104864017 B CN 104864017B
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- CN
- China
- Prior art keywords
- air bag
- piston
- air
- valve
- air spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/02—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum
- F16F9/04—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall
- F16F9/049—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall multi-chamber units
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/50—Seat suspension devices
- B60N2/52—Seat suspension devices using fluid means
- B60N2/525—Seat suspension devices using fluid means using gas
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/02—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum
- F16F9/04—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall
- F16F9/0409—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall characterised by the wall structure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/02—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum
- F16F9/04—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall
- F16F9/0445—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall characterised by intermediate rings or other not embedded reinforcing elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/02—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum
- F16F9/04—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall
- F16F9/0472—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall characterised by comprising a damping device
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/02—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum
- F16F9/04—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall
- F16F9/05—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall the flexible wall being of the rolling diaphragm type
- F16F9/057—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall the flexible wall being of the rolling diaphragm type characterised by the piston
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention belongs to air spring technical field, a kind of improved automotive seat air spring is specifically disclosed, including air bag, the upper and lower ends portion of the air bag is respectively equipped with valve and lower valve, the upper valve, lower valve are corresponded to and are provided with upper piston, lower piston, the upper piston is accordingly enclosed within inside air bag position, the upper piston outer wall is arranged with the upper press ring that hermetic seal is formed with upper piston, the lower piston is accordingly enclosed within inside air bag position, and the lower piston outer wall is arranged with the lower pressure ring that hermetic seal is formed with lower piston；The medium position of the air bag inner chamber is provided with the separating device that air bag inner chamber is divided into upper and lower two independent air chamber.The air spring has double independent air chambers, it can ensure that after one of air chamber gas leakage disabler, another air chamber still can normal work, greatly improve the stability in product running, ensure that automobile chair height will not be reduced because of the gas leakage of air spring, it is ensured that the preferable drive safety of motorist.
Description
Technical field
The invention belongs to air spring technical field, more particularly, to a kind of improved automotive seat air spring.
Background technology
Operationally, the inner chamber of its air bag is filled with compressed air to air spring, forms a compressed air gas column.With shaking
The increase of dynamic loading amount, the height reduction of air spring, cavity volume reduces, and the rigidity of air spring increases, inner chamber air column
Effective bearing area will increase, now air spring bearing capacity increase.And when oscillating load amount reduces, air bullet
The height of spring is raised, and the rigidity of cavity volume increase air spring reduces, and the effective bearing area of inner chamber air column reduces, now
The bearing capacity of air spring reduces.So, air spring is in effective stroke, the height of air spring, cavity volume, holds
Loading capability is incremented by and reduces the efficient restriction that there occurs smoothly flexible transmission, amplitude and shock loads with oscillating load.
In the prior art, air spring work only one of which air chamber, when the air chamber air leakage failure, especially seat air bullet
After spring air leakage failure, seat declines, and the visual field of driver is narrowed, and influences driving safety.
Therefore, in order to prevent air spring gas leakage and cause elastic failure and spring whole height decline and the peace brought
Full hidden danger, researches and develops a kind of air spring with double independent air chambers extremely urgent.
The content of the invention
The purpose of the present invention is to overcome the deficiencies in the prior art, there is provided a kind of improved automotive seat air spring, should
Air spring has double independent air chambers, and it can ensure that another air chamber still may be used after one of air chamber gas leakage disabler
Normal work, greatly improves the stability in product running, it is ensured that automobile chair height will not be because of the leakage of air spring
Gas and reduce, it is ensured that the preferable drive safety of motorist.
In order to realize above-mentioned technical purpose, the present invention is realized by following technical scheme：
A kind of improved automotive seat air spring of the present invention, including air bag, the air bag is from upper and lower ends
Portion is respectively equipped with valve and lower valve, and leachy upper piston is provided with the upper valve, and the upper piston is accordingly
Inside air bag position is enclosed within, the upper piston outer wall is arranged with the upper press ring that hermetic seal is formed with upper piston, and the upper press ring becomes
It is fixed together with air bag after shape；Leachy lower piston is provided with the lower valve, the lower piston is accordingly enclosed within
Inside air bag position, the lower piston outer wall be arranged with lower piston formed hermetic seal lower pressure ring, it is described push annular strain after
It is fixed together with air bag；The medium position of the air bag inner chamber is provided with and for air bag inner chamber to be divided into dividing for upper and lower two independent air chamber
Every device.
As the further improvement of above-mentioned technology, the separating device include be placed in air bag inner chamber centre position dividing plate and
The middle pressure ring of dividing plate outer ring is enclosed within, medium pressure ring and dividing plate form hermetic seal, fixed with air bag after medium pressure annular strain.
In the present invention, the upper piston is connected by interference fit or screw thread with upper valve；The lower piston passes through
Interference fit or screw thread are connected with lower valve.
In the present invention, the upper press ring or middle pressure ring or lower pressure ring are quoit
In the present invention, it is connected with for inflated for deflated tracheae on the upper valve or lower valve.
In the present invention, the air bag is made together by hose lining, middle two-layer cord fabric and outer layer glue vulcanization
Form.
Compared with prior art, the beneficial effects of the invention are as follows：
(1) air spring of the present invention, is separated air bag cavity by the separating device for being placed in air bag cavity inside
Into upper and lower two separate air chambers, it can be effectively ensured when one of air chamber occurs failure gas leakage, another air chamber
Still can normal work, greatly improve the stability in product running, it is ensured that automobile chair height will not be because of air spring
Gas leakage and reduce, it is ensured that the preferable drive safety of motorist.
(2) air spring of the present invention, due at upper and lower valve by install piston and deformation pressure ring with
Matching relationship between air bag is effectively improved the air-tightness of air spring to ensure air-tightness everywhere, reduces without reason
The generation of gas leak phenomenon.
Brief description of the drawings
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings：
Fig. 1 is automotive seat air spring constructions schematic diagram of the present invention.
In figure：1st, air bag；11st, upper chamber；12nd, lower chamber；2nd, upper valve；3rd, lower valve；4th, upper piston；5th, upper press ring；
6th, lower piston；7th, lower pressure ring；8th, dividing plate；9th, middle pressure ring.
Specific embodiment
As shown in figure 1, a kind of improved automotive seat air spring of the present invention, including air bag 1, the air bag
1 is respectively equipped with upper valve 2 and lower valve 3 from upper and lower ends portion, and leachy upper piston 4, institute are provided with the upper valve 2
State upper piston 4 and be accordingly enclosed within the interior location of air bag 1, the outer wall of the upper piston 4 is arranged with and forms the upper of hermetic seal with upper piston 4
Pressure ring, the upper press ring 5 is fixed together after deforming with air bag 1；Leachy lower piston 6 is provided with the lower valve 3,
The lower piston 6 is accordingly enclosed within the interior location of air bag 1, and the outer wall of the lower piston 6 is arranged with and forms hermetic seal with lower piston 6
Lower pressure ring 7, the lower pressure ring 7 is fixed together after deforming with air bag 1；The medium position of the inner chamber of the air bag 1 is provided with air bag 1
Inner chamber is divided into the separating device of upper and lower two independent air chamber 11,12.
The upper piston 4 is connected by interference fit or screw thread with upper valve 2, and similarly, the lower piston 6 passed through
Be full of cooperation or screw thread be connected with lower valve 3, to improve the air-tightness of air spring.
The separating device includes being placed in the dividing plate 8 in the inner chamber centre position of air bag 1 and being enclosed within the middle pressure ring 9 of the outer ring of dividing plate 8,
Medium pressure ring 9 and dividing plate 8 form hermetic seal, and medium pressure ring 9 is fixed after deforming with air bag 1.
In the present invention, the upper press ring 5, middle pressure ring 9, lower pressure ring 7 can be quoit, can ensure that preferable deformation
Performance.
Additionally, be connected with the upper valve 2 or lower valve 3 for inflated for deflated tracheae, easily to be filled
Gas or deflation.
In the present invention, the air bag 1 is made together by hose lining, middle two-layer cord fabric and outer layer glue vulcanization
Form.
The installation of detailed description below automotive seat air spring of the present invention and the course of work：
(1) when assembling, dividing plate 8 is put into the middle part of air bag 1, is tightened together by the deformation of middle pressure ring 9.Upper piston 4 leads to
Cross interference fit or screw thread to be connected with upper valve 2, lower piston 6 is connected with by valve 9 under interference fit or screw thread.Then
The upper end of air bag 1 is coordinated with upper piston 4, is tightened together by the deformation of upper press ring 5, the lower end of air bag 1 is connected with lower piston 6, led to
The deformation of pressure ring 7 is crossed down to tighten together.
(2) in working, gas is realized realizing upper chamber 11 charging-discharging function by upper valve 2, and gas is by mouth 3 under gas
Realization realizes charging-discharging function to lower chamber 12.When 11 disabler of upper chamber, the end face of upper piston 4 withstands on the upper end of dividing plate 8
Face, the normal work of lower chamber 12, it is ensured that the allomeric function of double independent air springs is effective.And when 12 disabler of lower chamber,
The end face of lower piston 6 is withstood on the lower surface of dividing plate 8, the normal work of upper chamber 11, it is ensured that the allomeric function of air spring is effective.
The invention is not limited in above-mentioned implementation method, if not departing from the present invention to various changes of the invention or modification
Spirit and scope, if these are changed and within the scope of modification belongs to claim of the invention and equivalent technologies, then this hair
It is bright also to be changed and modification comprising these.
Claims (3)
1. a kind of improved automotive seat air spring, including air bag, it is characterised in that：The air bag is from upper and lower ends part
Valve and lower valve not being provided with, leachy upper piston being provided with the upper valve, the upper piston is accordingly enclosed within
Inside air bag position, the upper piston outer wall is arranged with the upper press ring that hermetic seal is formed with upper piston, after the upper press ring deformation
It is fixed together with air bag；Leachy lower piston is provided with the lower valve, the lower piston is accordingly enclosed within air bag
Interior location, the lower piston outer wall is arranged with the lower pressure ring that hermetic seal is formed with lower piston, it is described push after annular strain with gas
Capsule is fixed together；
The medium position of the air bag inner chamber is provided with the separating device that air bag inner chamber is divided into upper and lower two independent air chamber, described point
Include being placed in the dividing plate in air bag inner chamber centre position every device and be enclosed within the middle pressure ring of dividing plate outer ring, medium pressure ring and dividing plate shape
Into hermetic seal, fixed with air bag after medium pressure annular strain；
The upper piston is connected by interference fit or screw thread with upper valve；
The lower piston is connected by interference fit or screw thread with lower valve；
The upper press ring or middle pressure ring or lower pressure ring are quoit.
2. improved automotive seat air spring according to claim 1, it is characterised in that：The upper valve or lower gas
It is connected with mouth for inflated for deflated tracheae.
3. improved automotive seat air spring according to claim 1, it is characterised in that：The air bag be successively by
Hose lining, middle two-layer cord fabric and outer layer glue vulcanization are made together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510283611.6A CN104864017B (en) | 2015-05-28 | 2015-05-28 | A kind of improved automotive seat air spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510283611.6A CN104864017B (en) | 2015-05-28 | 2015-05-28 | A kind of improved automotive seat air spring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104864017A CN104864017A (en) | 2015-08-26 |
| CN104864017B true CN104864017B (en) | 2017-06-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510283611.6A Active CN104864017B (en) | 2015-05-28 | 2015-05-28 | A kind of improved automotive seat air spring |
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| Country | Link |
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| CN (1) | CN104864017B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105889389B (en) * | 2016-02-20 | 2018-12-18 | 宋万杰 | A kind of air sac damping device improving damping performance |
| CN105889388B (en) * | 2016-02-20 | 2018-12-18 | 宋万杰 | A kind of air sac damping device easy to loading and unloading |
| CN107906152A (en) * | 2017-11-28 | 2018-04-13 | 东风商用车有限公司 | A kind of small size Low rigidity air bag spring |
| CN108533758B (en) * | 2018-05-23 | 2019-09-13 | 华中科技大学 | It is a kind of can inflation/deflation double-layer sealing structure and gas spring |
| CN109281975A (en) * | 2018-12-07 | 2019-01-29 | 东风商用车有限公司 | A kind of adjustable air spring of rigidity |
| CN112519647A (en) * | 2020-10-09 | 2021-03-19 | 常州轩图汽车附件有限公司 | Damping air bag of truck seat |
| CN114227245B (en) * | 2021-12-13 | 2023-12-08 | 芜湖荣基密封系统有限公司 | Automobile damping air spring assembling equipment and assembling method |
| CN114396448B (en) * | 2022-01-20 | 2024-02-23 | 重庆理工大学 | Air spring and decoupling method for height and rigidity of air spring |
| US20230383813A1 (en) * | 2022-05-26 | 2023-11-30 | RB Distribution, Inc. | Bellows suspension unit |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002040888A1 (en) * | 2000-11-15 | 2002-05-23 | Bfs Diversified Products, Llc. | Air spring for vibration isolation |
| US6691989B1 (en) * | 2002-08-16 | 2004-02-17 | Bfs Diversified Products, Llc | Variable rate air spring assembly |
| US9127737B2 (en) * | 2009-05-12 | 2015-09-08 | Firestone Industrial Products Company, Llc | Unreinforced elastomeric spring wall, gas spring and method |
| CN202418389U (en) * | 2012-02-21 | 2012-09-05 | 喜临门家具股份有限公司 | Stacking type air pressure spring with air bags |
| CN204692430U (en) * | 2015-05-28 | 2015-10-07 | 广州溢滔钱潮减震科技股份有限公司 | A kind of improved automotive seat pneumatic spring |
-
2015
- 2015-05-28 CN CN201510283611.6A patent/CN104864017B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104864017A (en) | 2015-08-26 |
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| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20220107 Address after: No.3, gaocui Road, duyang Town, yun'an District, Yunfu City, Guangdong Province, 527300 Patentee after: GUANGDONG YIKANGTONG AIR SPRING Co.,Ltd. Address before: 510540 No. 9, Jianye Middle Road, Taihe Industrial Zone, Baiyun District, Guangzhou, Guangdong Patentee before: GUANGZHOU YITAO QIANCHAO DAMPING TECHNOLOGY CO.,LTD. |
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| TR01 | Transfer of patent right |